N-Yobiko PiP Extension is a Chrome add-on that allows you to watch N予備校 lessons in Picture-in-Picture mode. With this extension, you can view the lessons in a small floating window while you continue to browse the web or work on other tasks.

In addition to the PiP mode, the extension also displays the flowing comments and operational comments from the administrators. This feature enhances the interactive learning experience by allowing you to see the comments in real-time while watching the lessons.

The extension provides easy controls to switch between PiP mode and comment display. You can toggle these options directly from the video player, making it convenient to customize your viewing experience.

Please note that this extension is unofficial and it only works with Chrome version 83 and later.